Note 1 - Organization and Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2020

Notes Tables

Schedule of Cash and Cash Equivalents [Table Text Block]

	Six Months Ended June 30,
	2020		2019
	(Dollars in thousands)
Cash and cash equivalents	$	85,588	$	48,224
Restricted cash		144		124
Total cash, cash equivalents, and restricted cash shown in the statements of cash flows	$	85,732	$	48,348